Faculty Profiles - KATAYAMA Naoyuki

Papers - KATAYAMA Naoyuki

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Molecular Formation and Precursory Local Distortion in Layered LiVX2 (X = O, S, Se) Invited Reviewed

Katayama, N; Kojima, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 93 ( 11 ) 2024.11

Pseudo-one-dimensional ribbon chain cluster realized under high pressure in 1T-VSe2 Reviewed

Hara, T; Katayama, N; Kitou, S; Kojima, K; Kawaguchi, S; Sawa, H

PHYSICAL REVIEW B Vol. 110 ( 2 ) 2024.7

Short-range order and increased transition temperature in LiVO2 with weakened trimer frustration Reviewed

K Kojima, N Katayama, Y Matsuda, M Shiomi, R Ishii, H Sawa

Physical Review B Vol. 107 ( 2 ) page： L020101 2023.1

Composition evolution of crystal structure and negative thermal expansion in pyro-vanadate-phosphate Cu1.8Zn0.2V2-xPxO7 Reviewed

Kawakita, M; Ikawa, F; Yagi, K; Kano, M; Kubo, T; Yokoyama, Y; Katayama, N; Okamoto, Y; Hirai, D; Takenaka, K

APPLIED PHYSICS LETTERS Vol. 126 ( 9 ) 2025.3

Diffuse Scattering and Low-Temperature Crystal Structure of τ-Type Molecular Conductor Reviewed

Hara, T; Kitou, S; Katayama, N; Yoshino, H; Sawa, H

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 94 ( 2 ) 2025.2

Topological electronic structure and transport properties of the distorted rutile-type WO2 Reviewed

Muramatsu, Y; Hirai, D; Kawamura, M; Minami, S; Ikeda, Y; Shimada, T; Kojima, K; Katayama, N; Takenaka, K

APL MATERIALS Vol. 13 ( 1 ) 2025.1

Electric field-induced volume change in pyro-vanadate-phosphates: Toward an alternative actuator architecture Reviewed

Takada, K; Shibutani, J; Yagi, K; Ikawa, F; Yokoyama, Y; Hirai, D; Okamoto, Y; Katayama, N; Umena, Y; Chavas, LMGH; Hatano, T; Fujita, A; Takenaka, K

APPLIED PHYSICS LETTERS Vol. 125 ( 4 ) 2024.7

Unveiling the Nature of Chemical Bonds in Real Space Reviewed

Hara, T; Hasebe, M; Tsuneda, T; Naito, T; Nakamura, Y; Katayama, N; Taketsugu, T; Sawa, H

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 146 ( 34 ) page： 23825 - 23830 2024.7

Giant impurity effect on anomalous Hall effect of Mn3Sn Reviewed

Yano, R; Kihara, S; Yoneda, M; Vu, HTN; Suto, H; Katayama, N; Yamaguchi, T; Kuwahara, M; Suzuki, MT; Saitoh, K; Kashiwaya, S

JOURNAL OF CHEMICAL PHYSICS Vol. 160 ( 18 ) 2024.5

Odd-parity multipole order in the spin-orbit coupled metallic pyrochlore Pb2Re2O7-δ Reviewed

Nakayama, Y; Hirai, D; Sagayama, H; Kojima, K; Katayama, N; Lehmann, J; Wang, ZQ; Ogawa, N; Takenaka, K

PHYSICAL REVIEW MATERIALS Vol. 8 ( 5 ) 2024.5

Metastable ordered states induced by low-temperature annealing of δ−Ag2/3V2O5 Reviewed International coauthorship

T. Kubo, K. Kojima, N. Katayama, T. Runčevski, R. E. Dinnebier, A. S. Gibbs, M. Isobe, and H. Sawa

Physical Review B Vol. 109 page： 104115 2024.3

Metastable ordered states induced by low-temperature annealing of δ-Ag2/3V2O5

Kubo, T; Kojima, K; Katayama, N; Runcevski, T; Dinnebier, RE; Gibbs, AS; Isobe, M; Sawa, H

PHYSICAL REVIEW B Vol. 109 ( 10 ) 2024.3

Electroactive actuator composites using volume change induced by insulator-to-metal transition in VO2 Reviewed

Takenaka, K; Mizuno, Y; Shibutani, J; Kishida, K; Takada, K; Yagi, K; Yokoyama, Y; Katayama, N; Okamoto, Y; Hirai, D; Hatanó, T; Fujita, A

APPLIED PHYSICS LETTERS Vol. 123 ( 23 ) 2023.12

Fermi surface and light quasi particles in hourglass nodal chain metal ß-ReO2

Hirai, D; Anbai, T; Konoike, T; Uji, S; Hattori, Y; Terashima, T; Ishikawa, H; Kindo, K; Katayama, N; Oguchi, T; Hiroi, Z

JOURNAL OF PHYSICS-CONDENSED MATTER Vol. 35 ( 40 ) 2023.10

Zigzag chain order of LiVSe2 developing away from the vanadium trimer phase transition boundary Reviewed

Kojima, K; Katayama, N; Sugimoto, K; Hirao, N; Ohta, Y; Sawa, H

PHYSICAL REVIEW B Vol. 108 ( 9 ) 2023.9

Structural and Electronic Properties of a Triangular Lattice Magnet NaPrTe2 Compared with NaNdTe2 and NaTbTe2 Reviewed

Eto, K; Okamoto, Y; Katayama, N; Ishikawa, H; Kindo, K; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 92 ( 9 ) 2023.9

Superconductivity in High-Entropy Antimonide M1-x Pt x Sb (M = Equimolar Ru, Rh, Pd, and Ir) Reviewed

Hirai, D; Uematsu, N; Saitoh, K; Katayama, N; Takenaka, K

INORGANIC CHEMISTRY Vol. 62 ( 35 ) page： 14207 - 14215 2023.8

Observation of local atomic displacements intrinsic to the double zigzag chain structure of 1T-MTe2 (M = V, Nb, Ta) Reviewed

Katayama, N; Matsuda, Y; Kojima, K; Hara, T; Kitou, S; Mitsuishi, N; Takahashi, H; Ishiwata, S; Ishizaka, K; Sawa, H

PHYSICAL REVIEW B Vol. 107 ( 24 ) 2023.6

Temporal Evolution and Fluence Dependence of Band Structure in Photoexcited Ta2Ni0.9Co0.1Se5 Probed by Time- and Angle-Resolved Photoemission Spectroscopy Reviewed

Takahashi, Y; Suzuki, T; Hattori, M; Okawa, M; Takagi, H; Katayama, N; Sawa, H; Nohara, M; Zhong, YG; Liu, KC; Kanai, T; Itatani, J; Shin, S; Okazaki, K; Mizokawa, T

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 92 ( 6 ) 2023.6

Quasi One-Dimensional Band Structure of Photoinduced Semimetal Phase of Ta2Ni1-xCoxSe5 (x=0.0 and 0.1) Reviewed

Mitsuoka, T; Takahashi, Y; Suzuki, T; Okawa, M; Takagi, H; Katayama, N; Sawa, H; Nohara, M; Watanabe, M; Xu, JD; Ren, QH; Fujisawa, M; Kanai, T; Itatani, J; Okazaki, K; Shin, S; Mizokawa, T

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 92 ( 2 ) 2023.2

Quasi One-Dimensional Band Structure of Photoinduced Semimetal Phase of Ta2Ni1−xCoxSe5 (x = 0.0 and 0.1) Reviewed

Journal of the Physical Society of Japan Vol. 92 ( 2 ) page： 023703 2023.2

Pressure suppression of the excitonic insulator state in Ta2NiSe5 observed by optical conductivity

Okamura, H; Mizokawa, T; Miki, K; Matsui, Y; Noguchi, N; Katayama, N; Sawa, H; Nohara, M; Lu, Y; Takagi, H; Ikemoto, Y; Moriwaki, T

PHYSICAL REVIEW B Vol. 107 ( 4 ) 2023.1

Systematic Study on the Role of the Third Zn-Site Element in Zn21xMgxP2O7 Showing Giant Negative Thermal Expansion

Kasugai, R; Kadowaki, Y; Yokoyama, Y; Katayama, N; Okamoto, Y; Takenaka, K

MATERIALS TRANSACTIONS Vol. 64 ( 3 ) page： 638 - 642 2023

Linear Trimer Molecule Formation by Three-Center-Four-Electron Bonding in a Crystalline Solid RuP Reviewed

Hirai Daigorou, Kojima Keita, Katayama Naoyuki, Kawamura Mitsuaki, Nishio-Hamane Daisuke, Hiroi Zenji

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 144 ( 39 ) page： 17857 - 17864 2022.10

Electrical-field-induced insulator-to-metal transition in samarium monosulfides Reviewed

Kishida K., Shibutani J., Hatano T., Yokoyama Y., Katayama N., Okamoto Y., Nakamura Y., Kishida H., Suzuki H. S., Takehana K., Imanaka Y., Takenaka K.

APPLIED PHYSICS LETTERS Vol. 121 ( 12 ) 2022.9

負熱膨張性微粒子の開発 Invited Reviewed

竹中康司，岡本佳比古，横山泰範，片山尚幸，門脇義史，江藤昂樹，渋谷隼矢，加納雅人，春日井涼太，山田展也

粉体および粉末冶金 Vol. 69 ( 8 ) page： 359 - 355 2022.8

Do electron distributions with orbital degree of freedom exhibit anisotropy? Reviewed

Manjo, T; Kitou, S; Katayama, N; Nakamura, S; Katsufuji, T; Nii, Y; Arima, TH; Nasu, J; Hasegawa, T; Sugimoto, K; Ishikawa, D; Baron, AQR; Sawa, H

MATERIALS ADVANCES Vol. 3 ( 7 ) page： 3192 - 3198 2022.4

Structural phase transition and negative thermal expansion in Cu 1.8 Zn0.2V2-x P x O7 solid solutions Reviewed

APPLIED PHYSICS EXPRESS Vol. 15 ( 2 ) 2022.2

Charge-ordered state satisfying the Anderson condition in LiRh2O4 arising from local dimer order Reviewed

Shiomi, M; Kojima, K; Katayama, N; Maeda, S; Schneeloch, JA; Yamamoto, S; Sugimoto, K; Ohta, Y; Louca, D; Okamoto, Y; Sawa, H

PHYSICAL REVIEW B Vol. 105 ( 4 ) 2022.1

Structural phase transition and giant negative thermal expansion in pyrophosphate Zn2-xMgxP2O7

Kadowaki, Y; Kasugai, R; Yokoyama, Y; Katayama, N; Okamoto, Y; Takenaka, K

APPLIED PHYSICS LETTERS Vol. 119 ( 20 ) 2021.11

Giant negative thermal expansion of polycrystalline Ti2O3 induced by microstructural effects

Kadowaki, Y; Kasugai, R; Yokoyama, Y; Katayama, N; Okamoto, Y; Takenaka, K

APPLIED PHYSICS LETTERS Vol. 119 ( 17 ) 2021.10

Hybridization-Gap Formation and Superconductivity in the Pressure-Induced Semimetallic Phase of the Excitonic Insulator Ta2NiSe5

Matsubayashi, K; Okamura, H; Mizokawa, T; Katayama, N; Nakano, A; Sawa, H; Kaneko, T; Toriyama, T; Konishi, T; Ohta, Y; Arima, H; Yamanaka, R; Hisada, A; Okada, T; Ikemoto, Y; Moriwaki, T; Munakata, K; Nakao, A; Nohara, M; Lu, YF; Takagi, H; Uwatoko, Y

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 90 ( 7 ) 2021.7

Detecting electron-phonon coupling during photoinduced phase transition Reviewed

Takeshi Suzuki, Yasushi Shinohara, Yangfan Lu, Mari Watanabe, Jiadi Xu, Kenichi L. Ishikawa, Hide Takagi, Minoru Nohara, Naoyuki Katayama, Hiroshi Sawa, Masami Fujisawa, Teruto Kanai, Jiro Itatani, Takashi Mizokawa, Shik Shin, and Kozo Okazaki

Physical Review B Vol. 103 page： L121105 2021.3

Detecting electron-phonon coupling during photoinduced phase transition

Suzuki, T; Shinohara, Y; Lu, YF; Watanabe, M; Xu, JD; Ishikawa, KL; Takagi, H; Nohara, M; Katayama, N; Sawa, H; Fujisawa, M; Kanai, T; Itatani, J; Mizokawa, T; Shin, S; Okazaki, K

PHYSICAL REVIEW B Vol. 103 ( 12 ) 2021.3

Slow dynamics of disordered zigzag chain molecules in layered LiVS2 under electron irradiation Reviewed

Katayama, N; Kojima, K; Yamaguchi, T; Hattori, S; Tamura, S; Ohara, K; Kobayashi, S; Sugimoto, K; Ohta, Y; Saitoh, K; Sawa, H

NPJ QUANTUM MATERIALS Vol. 6 ( 1 ) 2021.2

Ambient-pressure Dirac electron system in the quasi-two-dimensional molecular conductor α-(BETS)2I3 Reviewed

Shunsuke Kitou, Takao Tsumuraya, Hikaru Sawahata, Fumiyuki Ishii, Ko-ichi Hiraki, Toshikazu Nakamura, Naoyuki Katayama, and Hiroshi Sawa

Physical Review B Vol. 103 page： 35135 2021.1

Ambient-pressure Dirac electron system in the quasi-two-dimensional molecular conductor α-(BETS)2I3

Kitou, S; Tsumuraya, T; Sawahata, H; Ishii, F; Hiraki, K; Nakamura, T; Katayama, N; Sawa, H

PHYSICAL REVIEW B Vol. 103 ( 3 ) 2021.1

Photoinduced Phase Transition from Excitonic Insulator to Semimetal-like State in Ta2N1-xCoxSe5 (x=0.10) Reviewed

Mitsuoka, T; Suzuki, T; Takagi, H; Katayama, N; Sawa, H; Nohara, M; Watanabe, M; Xu, JD; Ren, QH; Fujisawa, M; Kanai, T; Itatani, J; Shin, S; Okazaki, K; Mizokawa, T

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 89 ( 12 ) 2020.12

Annealing effects on negative thermal expansion properties of ball-milled beta-Cu1.8Zn0.2V2O7 fine particles Reviewed

Warne-Lang V, Sato M., Ozeki M., Kadowaki Y., Yokoyama Y., Katayama N., Okamoto Y., Takenaka K.

CERAMICS INTERNATIONAL Vol. 46 ( 17 ) page： 27655 - 27659 2020.12

Direct Observation of Molecular Orbitals Using Synchrotron X-ray Diffraction Invited Reviewed

Shunsuke Kitou, Yuto Hosogi, Ryo Kitaura, Toshio Naito, Toshikazu Nakamura, and Hiroshi Sawa

Crystals Vol. 10 page： 998 2020.11

Collapse of the simple localized 3d1 orbital picture in Mott insulator Reviewed

Kitou, S; Manjo, T; Katayama, N; Shishidou, T; Arima, T; Taguchi, Y; Tokura, Y; Nakamura, T; Yokoyama, T; Sugimoto, K; Sawa, H

PHYSICAL REVIEW RESEARCH Vol. 2 ( 3 ) 2020.9

High-mobility carriers induced by chemical doping in the candidate nodal-line semimetal CaAgP Reviewed

Okamoto Yoshihiko, Saigusa Kazushige, Wada Taichi, Yamakawa Youichi, Yamakage Ai, Sasagawa Takao, Katayama Naoyuki, Takatsu Hiroshi, Kageyama Hiroshi, Takenaka Koshi

PHYSICAL REVIEW B Vol. 102 ( 11 ) 2020.9

Mapping the unoccupied state dispersions in Ta2NiSe5 with resonant inelastic x-ray scattering Reviewed

Monney C., Herzog M., Pulkkinen A., Huang Y., Pelliciari J., Olalde-Velasco P., Katayama N., Nohara M., Takagi H., Schmitt T., Mizokawa T.

PHYSICAL REVIEW B Vol. 102 ( 8 ) 2020.8

Robust atomic orbital in the cluster magnet LiMoO2 Reviewed

Katayama N., Takeda H., Yamaguchi T., Yamada Y., Iida K., Takigawa M., Ohta Y., Sawa H.

PHYSICAL REVIEW B Vol. 102 ( 8 ) 2020.8

Annealing effect on local structure and negative thermal expansion of antiperovskite manganese nitride fine particles Reviewed

Ozeki Masaki, Warne-Lang Victoria, Tsukasaki Hirofumi, Sakai Yuki, Katayama Naoyuki, Okamoto Yoshihiko, Azuma Masaki, Mori Shigeo, Takenaka Koshi

APPLIED PHYSICS EXPRESS Vol. 13 ( 7 ) page： . 2020.7

Sol-gel synthesis of doped Cu2V2O7 fine particles showing giant negative thermal expansion Reviewed

Sato M., Warne-Lang V, Kadowaki Y., Katayama N., Okamoto Y., Takenaka K.

AIP ADVANCES Vol. 10 ( 7 ) 2020.7

Regular-triangle trimer and charge order preserving the Anderson condition in the pyrochlore structure of CsW2O6 Reviewed

Okamoto Yoshihiko, Amano Haruki, Katayama Naoyuki, Sawa Hiroshi, Niki Kenta, Mitoka Rikuto, Harima Hisatomo, Hasegawa Takumi, Ogita Norio, Tanaka Yu, Takigawa Masashi, Yokoyama Yasunori, Takehana Kanji, Imanaka Yasutaka, Nakamura Yuto, Kishida Hideo, Takenaka Koshi

NATURE COMMUNICATIONS Vol. 11 ( 1 ) 2020.6

Spray-dry synthesis of beta-Cu1.8Zn0.2V2O7 ceramic fine particles showing giant negative thermal expansion Reviewed

Takenaka Koshi, Sato Miku, Mitamura Masaya, Yokoyama Yasunori, Katayama Naoyuki, Okamoto Yoshihiko

JOURNAL OF THE AMERICAN CERAMIC SOCIETY Vol. 103 ( 4 ) page： 2757 - 2763 2020.4

Intercalated Cu+ ion dynamics in the two-dimensional layered compound Cu0.33TiSe2 Reviewed

Kitou Shunsuke, Hasegawa Takumi, Nakano Akitoshi, Katayama Naoyuki, Tsutsui Satoshi, Sawa Hiroshi

PHYSICAL REVIEW B Vol. 101 ( 9 ) 2020.3

Negative Thermal Expansion of beta-Cu1.8Zn0.2V2O7 Ceramic Fine Particles Synthesized by a Spray-Drying Method

Takenaka Koshi, Sato Miku, Nishikawa Tomohiro, Omura Takuya, Yamada Nobuya, Yokoyama Yasunori, Katayama Naoyuki, Okamoto Yoshihiko

JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS Vol. 84 ( 5 ) page： 161 - 166 2020

Resistive anisotropy of candidate excitonic insulator Ta2NiSe5 under pressure

Arima H., Naito Y., Kudo K., Katayama N., Sawa H., Nohara M., Lu Y. F., Kitagawa K., Takagi H., Uwatoko Y., Matsubayashi K.

27TH AIRAPT INTERNATIONAL CONFERENCE ON HIGH PRESSURE SCIENCE AND TECHNOLOGY Vol. 1609 2020

Valence-bond insulator in proximity to excitonic instability

Chiba Y., Mitsuoka T., Saini N. L., Horiba K., Kobayashi M., Ono K., Kumigashira H., Katayama N., Sawa H., Nohara M., Lu Y. F., Takagi H., Mizokawa T.

PHYSICAL REVIEW B Vol. 100 ( 24 ) 2019.12

Vanadium trimers randomly aligned along the c-axis direction in layered LiVO2

Kojima K., Katayama N., Tamura S., Shiomi M., Sawa H.

PHYSICAL REVIEW B Vol. 100 ( 23 ) 2019.12

Exciton Transport in the Electron-Hole System Ta2NiSe5

Nakano Akitoshi, Nagai Takayuki, Katayama Naoyuki, Sawa Hiroshi, Taniguchi Hiroki, Terasaki Ichiro

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 88 ( 11 ) 2019.11

Linear Trimer Formation with Antiferromagnetic Ordering in 1T-CrSe2 Originating from Peierls-like Instabilities and Interlayer Se-Se Interactions

Kobayashi Shintaro, Katayama Naoyuki, Manjo Taishun, Ueda Hiroaki, Michioka Chishiro, Sugiyama Jun, Sassa Yasmine, Forslund Ola Kenji, Mansson Martin, Yoshimura Kazuyoshi, Sawa Hiroshi

INORGANIC CHEMISTRY Vol. 58 ( 21 ) page： 14304 - 14315 2019.11

Two magnetization plateaus in the kagome fluoride Cs2LiTi3F12

Shirakami Ryu, Ueda Hiroaki, Jeschke Harald O., Nakano Hiroki, Kobayashi Shintaro, Matsuo Akira, Sakai Toru, Katayama Naoyuki, Sawa Hiroshi, Kindo Koichi, Michioka Chishiro, Yoshimura Kazuyoshi

PHYSICAL REVIEW B Vol. 100 ( 17 ) 2019.11

Valence fluctuations and giant isotropic negative thermal expansion in Sm1-xRxS (R= Y, La, Ce, Pr, Nd)

Asai D., Mizuno Y., Hasegawa H., Yokoyama Y., Okamoto Y., Katayama N., Suzuki H. S., Imanaka Y., Takenaka K.

APPLIED PHYSICS LETTERS Vol. 114 ( 14 ) 2019.4

Effect of Cu intercalation and pressure on excitonic interaction in 1T-TiSe2

Kitou S., Nakano A., Kobayashi S., Sugawara K., Katayama N., Maejima N., Machida A., Watanuki T., Ichimura K., Tanda S., Nakamura T., Sawa H.

PHYSICAL REVIEW B Vol. 99 ( 10 ) 2019.3

Quantum magnetisms in uniform triangular lattices Li(2)AMo(3)O(8) (A = In, Sc)

Iida Kazuki, Yoshida Hiroyuki, Okabe Hirotaka, Katayama Naoyuki, Ishii Yuto, Koda Akihiro, Inamura Yasuhiro, Murai Naoki, Ishikado Motoyuki, Kadono Ryosuke, Kajimoto Ryoichi

SCIENTIFIC REPORTS Vol. 9 2019.2

Honeycomb lattice type charge density wave associated with interlayer Cu ions ordering in 1T-CuxTiSe2

Kitou Shunsuke, Kobayashi Shintaro, Kaneko Tatsuya, Katayama Naoyuki, Yunoki Seiji, Nakamura Toshikazu, Sawa Hiroshi

PHYSICAL REVIEW B Vol. 99 ( 8 ) 2019.2

Giant isotropic negative thermal expansion in Y-doped samarium monosulfides by intra-atomic charge transfer

Takenaka Koshi, Asai Daigo, Kaizu Ryoichi, Mizuno Yosuke, Yokoyama Yasunori, Okamoto Yoshihiko, Katayama Naoyuki, Suzuki Hiroyuki S., Imanaka Yasutaka

SCIENTIFIC REPORTS Vol. 9 2019.1

Microstructural effects on negative thermal expansion extending over a wide temperature range in beta-Cu1.8Zn0.2V2O7

Katayama N., Otsuka A. K., Mitamura M., Yokoyama Y., Okamoto Y., Takenaka K.

APPLIED PHYSICS LETTERS Vol. 113 ( 18 ) 2018.10

Photo-induced semimetallic states realised in electron-hole coupled insulators

Okazaki Kozo, Ogawa Yu, Suzuki Takeshi, Yamamoto Takashi, Someya Takashi, Michimae Shoya, Watanabe Mari, Lu Yangfan, Nohara Minoru, Takagi Hidenori, Katayama Naoyuki, Sawa Hiroshi, Fujisawa Masami, Kanai Teruto, Ishii Nobuhisa, Itatani Jiro, Mizokawa Takashi, Shin Shik

NATURE COMMUNICATIONS Vol. 9 2018.10

Extended operating temperature window of giant negative thermal expansion in Sn-doped Ca2RuO4

Takenaka K., Inoue N., Mizuno Y., Okamoto Y., Katayama N., Sakai Y., Nishikubo T., Azuma M.

APPLIED PHYSICS LETTERS Vol. 113 ( 7 ) 2018.8

Large entropy change derived from orbitally assisted three-centered two-electron sigma bond formation in metallic Li0.33VS2

Katayama N., Tamura S., Yamaguchi T., Sugimoto K., Iida K., Matsukawa T., Hoshikawa A., Ishigaki T., Kobayashi S., Ohta Y., Sawa H.

PHYSICAL REVIEW B Vol. 98 ( 8 ) 2018.8

Antiferroelectric distortion with anomalous phonon softening in the excitonic insulator Ta2NiSe5 Reviewed

Akitoshi Nakano, Takumi Hasegawa, Shinya Tamura, Naoyuki Katayama, Satoshi Tsutsui, and Hiroshi Sawa

Vol. 98 page： 045139 2018.7

Antiferroelectric distortion with anomalous phonon softening in the excitonic insulator Ta2NiSe5

Nakano, A; Hasegawa, T; Tamura, S; Katayama, N; Tsutsui, S; Sawa, H

PHYSICAL REVIEW B Vol. 98 ( 4 ) 2018.7

In-plane spin canting and 1/3-magnetization-plateaulike behavior in S=3/2 Cr3+ kagome lattice antiferromagnets Cs2KCr3F12 and Cs2NaCr3F12

Goto Masato, Ueda Hiroaki, Michioka Chishiro, Matsuo Akira, Kindo Koichi, Sugawara Kento, Kobayashi Shintaro, Katayama Naoyuki, Sawa Hiroshi, Yoshimura Kazuyoshi

PHYSICAL REVIEW B Vol. 97 ( 22 ) 2018.6

Inhibition of the photoinduced structural phase transition in the excitonic insulator Ta2NiSe5

Mor Selene, Herzog Marc, Noack Johannes, Katayama Naoyuki, Nohara Minoru, Takagi Hide, Trunschke Annette, Mizokawa Takashi, Monney Claude, Staehler Julia

PHYSICAL REVIEW B Vol. 97 ( 11 ) 2018.3

Magnetic and Structural Properties of A-Site Ordered Chromium Spinel Sulfides: Alternating Antiferromagnetic and Ferromagnetic Interactions in the Breathing Pyrochlore Lattice

Okamoto Yoshihiko, Mori Masaki, Katayama Naoyuki, Miyake Atsushi, Tokunaga Masashi, Matsuo Akira, Kindo Koichi, Takenaka Koshi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 87 ( 3 ) 2018.3

Pressure-induced coherent sliding-layer transition in the excitonic insulator Ta2NiSe5

Nakano Akitoshi, Sugawara Kento, Tamura Shinya, Katayama Naoyuki, Matsubayashi Kazuyuki, Okada Taku, Uwatoko Yoshiya, Munakata Kouji, Nakao Akiko, Sagayama Hajime, Kumai Reiji, Sugimoto Kunihisa, Maejima Naoyuki, Machida Akihiko, Watanuki Tetsu, Sawa Hiroshi

IUCRJ Vol. 5 page： 158 - 165 2018.3

Direct Visualization of Orbital Flipping in Volborthite by Charge Density Analysis Using Detwinned Data

Sugawara Kento, Sugimoto Kunihisa, Fujii Tatsuya, Higuchi Takafumi, Katayama Naoyuki, Okamoto Yoshihiko, Sawa Hiroshi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 87 ( 2 ) 2018.2

Photo-induced semimetallic states realised in electron-hole coupled insulators Reviewed

Kozo Okazaki, Yu Ogawa, Takeshi Suzuki, Takashi Yamamoto, Takashi Someya, Shoya Michimae, Mari Watanabe, Yangfan Lu, Minoru Nohara, Hidenori Takagi, Naoyuki Katayama, Hiroshi Sawa, Masami Fujisawa, Teruto Kanai, Nobuhisa Ishii, Jiro Itatani, Takashi Mizokawa, and Shik Shin

Nature Communications page： accepted 2018

Investigation of Honeycomb Lattice Consisting of Cu-2(pymca)(3) Moieties Using Synchrotron Radiation X-ray Structure Analysis

Sugawara Kento, Sugimoto Kunihisa, Katayama Naoyuki, Hagiwara Masayuki, Honda Zentaro, Sawa Hiroshi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 86 ( 12 ) 2017.12

Giant negative thermal expansion in Fe-doped layered ruthenate ceramics

Takenaka Koshi, Shinoda Tsubasa, Inoue Naruhiro, Okamoto Yoshihiko, Katayama Naoyuki, Sakai Yuki, Nishikubo Takumi, Azuma Masaki

APPLIED PHYSICS EXPRESS Vol. 10 ( 11 ) 2017.11

Scaling of Memories and Crossover in Glassy Magnets

Samarakoon A. M., Takahashi M., Zhang D., Yang J., Katayama N., Sinclair R., Zhou H. D., Diallo S. O., Ehlers G., Tennant D. A., Wakimoto S., Yamada K., Chern G-W., Sato T. J., Lee S. -H.

SCIENTIFIC REPORTS Vol. 7 2017.9

Ultrafast Electronic Band Gap Control in an Excitonic Insulator

Mor Selene, Herzog Marc, Golez Denis, Werner Philipp, Eckstein Martin, Katayama Naoyuki, Nohara Minoru, Takagi Hide, Mizokawa Takashi, Monney Claude, Staehler Julia

PHYSICAL REVIEW LETTERS Vol. 119 ( 8 ) 2017.8

Successive Dimensional Transition in (TMTTF)(2)PF6 Revealed by Synchrotron X-ray Diffraction

Kitou Shunsuke, Fujii Tatsuya, Kawamoto Tadashi, Katayama Naoyuki, Maki Sachiko, Nishibori Eiji, Sugimoto Kunihisa, Takata Masaki, Nakamura Toshikazu, Sawa Hiroshi

PHYSICAL REVIEW LETTERS Vol. 119 ( 6 ) 2017.8

Ising-like anisotropy stabilized (1)/(3) and (2)/(3) magnetization plateaus in the V3+ kagome lattice antiferromagnets Cs2KV3F12, Cs2NaV3F12, and Rb2NaV3F12

Goto Masato, Ueda Hiroaki, Michioka Chishiro, Matsuo Akira, Kindo Koichi, Sugawara Kento, Kobayashi Shintaro, Katayama Naoyuki, Sawa Hiroshi, Yoshimura Kazuyoshi

PHYSICAL REVIEW B Vol. 95 ( 13 ) 2017.4

Various Arsenic Network Structures in 112-Type Ca1-xLaxFe1-yPdyAs2 Revealed by Synchrotron X-ray Diffraction Experiments

Tamura Shinya, Katayama Naoyuki*, Yamada Yuto, Sugiyama Yuki, Sugawara Kento, Sawa Hiroshi

INORGANIC CHEMISTRY Vol. 56 ( 5 ) page： 3030 - 3035 2017.3

Colossal negative thermal expansion in reduced layered ruthenate Reviewed

K. Takenaka, Y. Okamoto, T. Shinoda, N. Katayama and Y. Sakai

Nature Communications Vol. 8 page： 14102 2017.1

Colossal negative thermal expansion in reduced layered ruthenate

Takenaka Koshi, Okamoto Yoshihiko, Shinoda Tsubasa, Katayama Naoyuki, Sakai Yuki

NATURE COMMUNICATIONS Vol. 8 2017.1

1.Iron arsenides with three-dimensional FeAs layer networks: Can(n+1)/2(Fe1-xPtx)(2+3n)Ptn(n+1)/2As(n+1)(n+2)/2 (n = 2, 3) Reviewed

N. Katayama, S. Onari, K. Matsubayashi, Y. Uwatoko, H. Sawa

Vol. 6 page： 39280 2016.12

Absence of Jahn-Teller transition in the hexagonal Ba3CuSb2O9 single crystal

N. Katayama, K. Kimura, Y. Han, J. Nasu, N. Drichiko, Y. Nakanishi, M. Halim, Y. Ishiguro, R. Satake, E. Nishibori, M. Yoshizawa, T. Nakano, Y. Nozue, Y. Wakabayashi, S. Ishihara, M. Hagiwara, H. Sawa, S. Nakatsuji

Proceedings of the National Academy of Sciences of the United States of America Vol. 112 ( 30 ) page： 9305 2015.7

Synchrotron X-ray diffraction study of the Structural Phase Transition in Ca10(Ir4As8)(Fe2-xIrxAs2)5

Naoyuki Katayama, Kento Sugawara, Yuki Sugiyama, Takafumi Higuchi, Kazutaka Kudo, Daisuke Mitsuoka, Takashi Mizokawa, Minoru Nohara, and Hiroshi Sawa

Journal of the Physical Society of Japan Vol. 83 page： 113707 2014.11

Excitonic Bose-Einstein condensation above room temperature

K. Seki, Y. Wakisaka, T. Kaneko, T. Toriyama, T. Konishi, T. Sudayama, N. L. Saini, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi, T. Mizokawa, and Y. Ohta

Physical Review B Vol. 90 page： 155116 2014.11

Observation of quadrupole helix chirality and its domain structure in DyFe3(BO3)4

T. Usui, Y. Tanaka, H. Nakajima, M. Taguchi, A. Chainani, M. Oura, S. Shin, N. Katayama, H. Sawa, Y. Wakabayashi, and T. Kimura

Nature Materials Vol. 13 page： 611 2014

Superconductivity in Ca1-xLaxFeAs2 : A Novel 112-Type Iron Pnictide with Arsenic Zigzag Bonds Reviewed

N. Katayama, K. Kudo, S. Onari, T. Mizukami, K. Sugawara, Y. Sugiyama, M. Nohara, and H. Sawa

Journal of the Physical Society of Japan Vol. 82 page： 123702 2013.11

Superconductivity in Ca10(Ir4As8)(Fe2As2)5 with Square-Planar Coordination of Iridium Reviewed

K. Kudo, D. Mitsuoka, M. Takasuga, Y. Sugiyama, K. Sugawara, N. Katayama, H. Sawa, H.S. Kubo, K. Takamori, M. Ichioka, T. Fujii, T. Mizokawa, and M. Nohara

Scientific Reports Vol. 3 page： 3101 2013.10

Spin-Orbital Short-Range Order on a Honeycomb-Based Lattice Reviewed

S. Nakatsuji, K. Kuga, K. Kimura, R. Satake, N. Katayama, E. Nishibori, H. Sawa, R. Ishii, M. Hagiwara, F. Bridges, T. U. Ito, W. Higemoto, Y. Karaki, M. Halim, A. A. Nugroho, J. A. Rodriguez-Rivera, M. A. Green, C. Broholm

Science Vol. 336 page： 559-563 2012

Conductivity and incommensurate antiferromagnetism of Fe1.02Se0.10Te0.90 under pressure Reviewed

N. Katayama, K. Matsubayashi, Y. Nomura, S. Ji, J. Leao, M. A. Green, T. J. Sato, Y. Uwatoko, M. Fujita, K. Yamada, R. Arita and S.-H. Lee

Europhysics Letters Vol. 98 page： 37002 2012

Photoemission Spectroscopy of Ta2NiSe5 Reviewed

Y. Wakisaka, T. Sudayama, K. Takubo, T. Mizokawa, N. L. Saini, M. Arita, H. Namatame, M. Taniguchi, N. Katayama and M. Nohara, H. Takagi

Journal of Superconductivity and Novel Magnetism Vol. 25 ( 5 ) page： 1231-1234 2012

Inelastic neutron scattering study of the magnetic fluctuations in Sr2RuO4 Reviewed

K. Iida, M. Kofu, N. Katayama, J. Lee, R. Kajimoto, Y. Inamura, M. Arai, Y. Yoshida, M. Fujita, K. Yamada, and S.-H. Lee

Physical Review B Vol. 84 page： 060402(R) 2011

Pressure-induced changes in the magnetic and valence state of EuFe2As2

K. Matsubayashi, K. Munakata, M. Isobe, N. Katayama, K. Ohgushi, Y. Ueda, N. Kawamura, M. Mizumaki, N. Ishimatsu, M. Hedo, I. Umehara, and Y. Uwatoko

Physical Review B Vol. 84 page： 024502 2011

Investigation of the spin-glass regime between the antiferromagnetic and superconducting phase in Fe1+ySexTe1-x

N. Katayama, S. Ji, D. Louca, S.-H. Lee, M. Fujita, T. J. Sato, J. Wen, Z. Xu, G. Gu, G. Xu, Z. W. Lin, M. Enoki, S. Chang, K. Yamada, J. M. Tranquada

Journal of the Physical Society of Japan Vol. 79 page： 113702 2010

High-Pressure Ac Specific Heat Technique with Cubic Anvil Apparatus

K. Matsubayashi, M. Hedo, I. Umehara, N. Katayama, K. Ohgushi, A. Yamada, K. Munakata, T. Matsumoto, Y. Uwatoko

Journal of Physics: Conf. Ser. Vol. 215 page： 012187 2010

High-field studies on single crystals of EuFe2As2

M. Tokunaga, I. Katakura, N. Katayama, K. Ohgushi

Journal of Low Temperature Physics Vol. 159 page： 601 2010

Orbital-Dependent Modifications of Electronic Structure across the Magnetostructural Transition in BaFe2As2

T. Shimojima, K. Ishizaka, Y. Ishida, N. Katayama, K. Ohgushi, T. Kiss, M. Okawa, T. Togashi, X.-Y. Wang, C.-T. Chen, S. Watanabe, R. Kadota, T. Oguchi, A. Chainani, S. Shin

Physical Review Letters Vol. 104 page： 057002 2010

The local atomic structure of superconducting Fe-Se-Te

Despina Louca, Kazumasa Horigane, Anna Llobet, Ryotaro Arita, Sungdae Ji, Naoyuki Katayama, Shun Konbu, Kazuma Nakamura, Tae-Yeong Koo, Peng Tong, Kazuyoshi Yamada

Physical Review B Vol. 81 page： 134524 2010

Coupling of spin and orbital excitations in an Fe-based superconductor

S.-H. Lee, Guangyong Xu, W. Ku, J. S. Wen, C. C. Lee, N. Katayama, Z. J. Xu, S. Ji, Z. W. Lin, G. D. Gu, H.-B. Yang, P. D. Johnson, Z.-H. Pan, T. Valla, M. Fujita, T. J. Sato, S. Chang, K. Yamada, J. M. Tranquada

Physical Review B Vol. 81 page： 220502(R) 2010

Absence of nesting in the charge-density-wave system 1T-VS2 as seen by photoelectron spectroscopy

M. Mulazzi, A. Chainani, N. Katayama, R. Eguchi, M. Matsunami, M. Oura, H. Ohashi,Y. Senba, M. Nohara, H. Takagi

Physical Review B Vol. 82 page： 075130 2010

Antiferromagnetism of SrFe2As2 studied by Single-Crystal 75As-NMR

Kentaro Kitagawa, Naoyuki Katayama, Kenya Ohgushi, and Masashi Takigawa

Journal of the Physical Society of Japan Vol. 78 page： 063706 2009

Local Lattice Distortion and Photo-Induced Phase Transition in Transition-Metal Compounds with Orbital Degeneracy

T. Mizokawa, K. Takubo, T. Sudayama, Y. Wakisaka, N. Takubo, K. Miyano, N. Matsumoto, S. Nagata, Katayama, M. Nohara, H. Takagi, M. Ikeda, N. Kojima, M. Arita, H. Namatame and M. Taniguchi

Journal of Superconductivity and Novel Magnetism Vol. 22 page： 67 2009

Variation in Electronic State of Ba(Fe1-xCox)2As2 Alloy as Investigated in Terms of Transport Properties

N. Katayama, Y. Kiuchi, Y. Matsushita, K. Ohgushi

Journal of the Physical Society of Japan Vol. 78 page： 123702 2009

Excitonic Insulator State in Ta2NiSe5 Probed by Photoemission Spectroscopy

Y. Wakisaka, T. Sudayama, K. Takubo, T. Mizokawa, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi

Physical Review Letters Vol. 103 page： 026402 2009

Spontaneous Formation of a Superconducting and Antiferromagnetic Hybrid State in SrFe2As2 under High Pressure

K. Kitagawa, N. Katayama, H. Gotou, T. Yagi, K. Ohgushi, T. Matsumoto, Y. Uwatoko, M. Takigawa

Physical Review Letters Vol. 103 page： 257002 2009

Anomalous metallic state in the vicinity of Metal to Valence Bond Solid insulator transition in LiVS2

N. Katayama, M. Uchida, D. Hashizume, S. Niitaka, J. Matsuno, D. Matsumura, Y. Nishihata, J. Mizuki, N. Takeshita, A. Gauzzi, M. Nohara, and H. Takagi

Physical Review Letters Vol. 103 page： 146405 2009

Intrinsic properties of AFe2As2 (A = Ba, Sr) single crystals under highly hydrostatic pressure conditions

Kazuyuki Matsubayashi, Naoyuki Katayama, Kenya Ohgushi, Atsushi, Yamada, Kouji Munakata, Takehiko Matsumoto, and Yoshiya Uwatoko

Journal of the Physical Society of Japan Vol. 78 page： 073706 2009

Trimer V3+ Spin Singlet State and Pseudo Gap in LiVS2 Studied by 51V and 7Li Nuclear Magnetic Resonance

Tetsu TANAKA, Yu KAWASAKI, Shigeki ENDOU, Satoshi KIMURA, Yukiichi IDETA, Yutaka KISHIMOTO, Takashi OHNO, Naoyuki KATAYAMA, Minoru NOHARA, and Hidenori TAKAGI

Journal of the Physical Society of Japan Vol. 78 page： 054709 2009

Commensurate Itinerant Antiferromagnetism in BaFe2As2: 75As-NMR Studies on a Self-Flux Grown Single Crystal

Kentaro Kitagawa, Naoyuki Katayama, Kenya Ohgushi, Makoto Yoshida, and Masashi Takigawa

Journal of the Physical Society of Japan Vol. 77 page： 114709 2008

7Li- and 51V-NMR study of LiVS2

T. Tanaka, Y. Kawasaki, Y. Takagishi, Y. Ideta, Y. Kishimoto, T. Ohno, N. Katayama, M. Nohara, and H. Takagi

Journal of Physics and Chemistry of Solids Vol. 69 page： 3142 2008

Watery superconductivity in misfit-layer sulfides

N. Katayama, M. Nohara, and H. Takagi

Physica C Vol. 445 page： 35 2006

Enhanced Superconducting Transition Temperature in the Water-intercalated Sulfides

N. Katayama, M. Nohara, F. Sakai, and H. Takagi

Journal of the Physical Society of Japan Vol. 74 page： 851 2005

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